The association between the levels of serum ferritin and sex hormones in a large scale of chinese male population - Liu, Z; Ye, F; Zhang, H; Gao, Y; Tan, A; Zhang, S; Xiao, Q; Zhang, B; Huang, L; Ye, B; Qin, X; Wu, C; Lu, Z; Zhang, Y; Liao, M; Yang, X; Mo, Z (PLoS One, 2013)